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Atomfair 3-Methylpyrazole-4-boronic acid C4H7BN2O2 CAS 1071455-14-5

3-Methylpyrazole-4-boronic acid (CAS: 1071455-14-5) is a high-purity boronic acid derivative extensively used in pharmaceutical research, organic synthesis, and materials science. With the molecular formula C4H7BN2O2, this compound serves as a versatile building block in Suzuki-Miyaura cross-coupling reactions, enabling the formation of complex biaryl and heteroaryl structures. Its stability and reactivity make it ideal for constructing drug candidates, agrochemicals, and functional materials. Supplied as a white to off-white crystalline powder, it is rigorously tested for quality (≥95% purity by HPLC) and stored under inert conditions to ensure optimal shelf life. Suitable for laboratory and industrial-scale applications, this reagent is packaged in…

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Description

3-Methylpyrazole-4-boronic acid (CAS: 1071455-14-5) is a high-purity boronic acid derivative extensively used in pharmaceutical research, organic synthesis, and materials science. With the molecular formula C4H7BN2O2, this compound serves as a versatile building block in Suzuki-Miyaura cross-coupling reactions, enabling the formation of complex biaryl and heteroaryl structures. Its stability and reactivity make it ideal for constructing drug candidates, agrochemicals, and functional materials. Supplied as a white to off-white crystalline powder, it is rigorously tested for quality (≥95% purity by HPLC) and stored under inert conditions to ensure optimal shelf life. Suitable for laboratory and industrial-scale applications, this reagent is packaged in amber glass vials or bulk quantities with detailed technical data sheets (TDS) and certificates of analysis (CoA).

Properties

  • CAS Number: 1071455-14-5
  • Complexity: 101
  • IUPAC Name: (5-methyl-1H-pyrazol-4-yl)boronic acid
  • InChI: InChI=1S/C4H7BN2O2/c1-3-4(5(8)9)2-6-7-3/h2,8-9H,1H3,(H,6,7)
  • InChI Key: ZYXMOCKFGABUGK-UHFFFAOYSA-N
  • Exact Mass: 126.0600576
  • Molecular Formula: C4H7BN2O2
  • Molecular Weight: 125.92
  • SMILES: B(C1=C(NN=C1)C)(O)O
  • Topological: 69.1
  • Monoisotopic Mass: 126.0600576
  • Synonyms: 3-METHYLPYRAZOLE-4-BORONIC ACID, 696-472-6, 1071455-14-5, (5-Methyl-1H-pyrazol-4-yl)boronic acid, (3-Methyl-1H-pyrazol-4-yl)boronic acid, 1093961-41-1, 3-Methyl-1H-pyrazole-4-boronic acid, MFCD12546507, (5-Methyl-1H-pyrazol-4-yl)boronicacid, SCHEMBL578136, SCHEMBL1519432, ZYXMOCKFGABUGK-UHFFFAOYSA-N, DTXSID601273878, AKOS006344053, AKOS016007274, AS-49919, DA-15845, SY034834, B-(3-Methyl-1H-pyrazol-4-yl)boronic acid, DB-336138, 3-methylpyrazole-4-boronic acid, AldrichCPR, CS-0028796, EN300-212614, O10132, W13800

3-Methylpyrazole-4-boronic acid is primarily employed in palladium-catalyzed cross-coupling reactions to synthesize pyrazole-containing pharmaceuticals and ligands. It facilitates the construction of bioactive molecules in drug discovery, particularly for kinase inhibitors and anticancer agents. Researchers also utilize it in material science to develop boron-doped polymers and sensors. Its stability under aqueous conditions enhances its utility in combinatorial chemistry workflows.

Safety and Hazards

GHS Hazard Statements

  • H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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